extinction event

Thousands More Species at Risk of Extinction Than Currently Recorded: New Study

asteroid Bennu, asteroid Ryugu, NASA, OSIRIS-REx, near-Earth objects, YORP effect, Yarkovsky effect, microgravity, extinction event, Keplerian orbit, early Earth, asteroid sampling missions, JAXA,

To Bennu and Back, Looking for Clues of Our Origins – and Maybe Of Our End

impact crater, asteroids, meteors, meteorites, lunar craters, Lunar Reconnaissance Orbiter, NASA LRO, dinosaurs, extinction event, mass extinction, Mount Everest, Permian Triassic extinction event, Solar System, Moon, 'Oumuamua, kimberlite pipes, Yarkovsky effect, inner asteroid belt,

Long Ago, the Number of Meteors Hitting Earth Spiked Suddenly – and Didn’t Stop

Extinction Is Happening at 1,000 Times the Normal Speed

A New Way to Measure the Five Death-Blows Earth Dealt to Its Life

Could Asteroid Strikes Cause Mass Extinctions on Earth in Ten Million Years?